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Debt Securities (Details Narrative) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Apr. 30, 2025
Apr. 30, 2024
Apr. 30, 2025
Apr. 30, 2024
Investments, Debt and Equity Securities [Abstract]        
Proceeds from sale and maturity of debt securities, available-for-sale $ 18.3 $ 10.3 $ 35.0 $ 41.5